JP2006062611A - Authentication device for access to on-vehicle information terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an authentication device for access to an on-vehicle information terminal in which an authentication method for access to the on-vehicle information terminal is hardly identified by the third party, and the possibility for access by the third party can be effectively reduced even when a password is leaked or the end processing is not performed. <P>SOLUTION: A qualified person of a vehicle carries an ID tag in his wear, a tag reader is installed at an invisible position in the vehicle, and the start authentication of the on-vehicle information terminal is provided by simultaneously detecting detection information of the ID tag by the tag reader upon seating of the qualified person carrying the ID tag and authentication information of the on-vehicle information terminal. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an access authentication device for various information terminals installed in a vehicle, and more particularly to an access authentication device using an RFID tag in a vehicle equipped with an information device that requires a high level of security.

  Various types of conventional access authentication devices for this type of vehicle have been proposed mainly for the prevention of automobile theft. For example, when a driver with an IC tag or IC card holding individual data for each vehicle or driver approaches the vehicle, it is read with a tag reader installed on the vehicle, and the individual data is collated before door lock (For example, refer to Patent Document 1) or a vehicle engine that can be started (for example, refer to Patent Document 2).

  Furthermore, as another form, the immobilizer unit incorporated in the vehicle collates ID with the transponder of the key inserted into the key cylinder, and if the collation is not established, the engine control unit is not permitted to start the engine. Or a vehicle door that cannot be unlocked is known. (For example, see Patent Document 3)

However, in these methods, if the driver drops an IC tag or IC card or if the key is stolen, there is no way to deal with it. If the ID code is stored in another person, it will not function as a theft prevention.
In particular, in vehicles equipped with information devices that require a high level of security, such as police cars, it is necessary to make every effort to prevent this theft. However, in the past, no sufficient measures have been taken.

  For example, in order to control speeding violations, the license confirmation system is operated with the violator sitting in a seat in a police car, and the license owner data, violation history data, etc. are accessed. At this time, because of the operation of the in-vehicle information terminal, the authentication operation of holding the IC tag or IC card over the tag reader or entering the password will be closely observed by the violator, etc. There is a possibility that operations required for authentication such as storage can be easily discriminated by a third party.

  In addition, when an emergency such as a traffic accident occurs while accessing the in-vehicle information terminal, and a police officer needs to leave the police car, the in-vehicle information terminal is not terminated or is terminated. Even if the IC tag or IC card is misplaced or the password is stored, the possibility of being accessed by a third party riding on the vehicle becomes extremely high. Furthermore, if the access history cannot be recorded even if accessed by a third party, the information is used without noticing the fact that the information has been stolen.

JP-A-5-106376 JP 2000-233719 A Japanese Patent Laid-Open No. 9-226520

The present invention has been made to solve the above-described problems, and a first object is to make it difficult for a third party to discriminate an authentication method for accessing the in-vehicle information terminal, and to store a password. Thus, an access authentication device for an in-vehicle information terminal capable of effectively reducing the possibility of being accessed by a third party without the need for termination processing.
The second object is to obtain an access authentication device for an in-vehicle information terminal capable of realizing these devices with low power consumption.

  In the access authentication device for the in-vehicle information terminal according to the present invention, the qualified person of the vehicle carries the ID tag or the ID card in the clothes, and installs the tag reader in an invisible position in the vehicle. The detection of the ID tag or ID card by the tag reader accompanying the seating of the vehicle and the authentication information of the in-vehicle information terminal are detected simultaneously, and activation authentication of the in-vehicle information terminal is given.

  According to this invention, since the detection operation by the tag reader installed in the invisible position is performed only by the driver qualified person carrying the tag sitting on the seat, it is difficult for the third party sitting in the adjacent seat to determine the authentication method, Even if the qualified driver leaves the driver's seat, the startup information of the in-vehicle information terminal, for example, the access to the information terminal cannot be performed only by inputting the password, and thus the unauthorized access to the terminal can be prevented more reliably. It is what has. In addition, these systems can be realized with a configuration with little energy loss.

Embodiment 1 FIG.
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. 1 is a system configuration diagram of an apparatus for authenticating access to an in-vehicle information terminal according to Embodiment 1 of the present invention, and FIG. 2 is a schematic diagram of a driver's seat part showing an example of an antenna installation position in the system of FIG.
In FIG. 1, 1 is an in-vehicle information terminal device, 2a and 2b are tag readers, 3a and 3b are antennas installed in the vehicle, and 4 is an ID tag or ID card. As can be seen from FIG. 2, the antenna 3a is a seat antenna embedded in the backrest portion 6 of the seat of the qualified driver 5, and the antenna 3b is a front antenna embedded in the dashboard of the driver seat or in the handle portion. It is.

  Since the antennas 3a and 3b are enlarged as shown in FIG. A, a sufficiently large antenna can be provided in the seat back portion or in the dashboard without securing a new installation space. System. The seat antenna 3a and the front antenna 3b need only be at least one of them. Next, the tag readers 2a and 2b are attached to a position where they cannot be seen, such as the lower part of the seat seat or the seat console part. On the other hand, a driver qualified person 5 has an ID tag or ID card 4 in a place that cannot be seen by others such as a pocket. The presence of the ID tag or ID card 4 is detected by the function of the antenna 3b and is output to the in-vehicle information terminal device 1.

  As the ID tag 4, a passive type having a power source and including a minimum element including a memory and a CPU is used (see B in FIG. 1). The tag reader 2 includes a power supply unit, an antenna unit, and the like. It is composed of a memory unit, a control unit, a communication unit, etc., and supplies energy from the power supply unit constantly or periodically to emit an electromagnetic wave of, for example, 125 kHz from the antenna 3, and the ID tag 1 approaches it. The tag detection signal is transmitted to the in-vehicle information terminal device 1 after detection and processing. The 125 kHz band as a communication frequency has a property that it is not affected by metal and moisture although the communication distance is short. In particular, since it passes the human body, it has a feature that the detection function works sufficiently even just by carrying the ID tag or ID card 4.

  FIG. 3 is a flowchart showing an access authentication method for the in-vehicle information terminal device 1. When the information terminal device 1 is powered on, it is determined whether or not an ID of the information terminal, for example, a password is input (step S1). Only when there is an input, the presence or absence of the tag detection signal is determined (step S2). If there is no password input or tag detection signal, this is repeated. Therefore, activation authentication of the information terminal device 1 is performed only when both the password input and the tag detection signal exist, and the information terminal device 1 is activated. Thereafter, a constant authentication operation (described later) is entered.

  According to the access authentication device for the in-vehicle information terminal according to the present embodiment configured as described above, the qualified driver of the vehicle carries the ID tag or the like in the body such as clothes and installs the tag reader at an invisible position in the vehicle. By doing so, because the detection information such as the ID tag by the tag reader accompanying the seating of the qualified driver and the activation information of the in-vehicle information terminal is simultaneously detected, the operation authentication of the in-vehicle information terminal device is given. It is difficult for the third party sitting in the next seat to identify the authentication method, and even if the qualified driver leaves the driver's seat, the information terminal cannot be accessed simply by entering the in-vehicle information terminal activation information, for example, a password. This has the effect of preventing unauthorized access to the terminal.

  In addition, according to the present embodiment, an ID tag or the like that operates at a long-wave band frequency is used, and the tag reader antenna is provided in a portion that can take a sufficient antenna area such as a seat backrest portion, so that a qualified driver can identify himself / herself. It can be read and detected with high sensitivity even if it is built in or attached to something that is always carried with you, such as a certificate or a driver's license, and it is used while it is stored in your clothes, thus preventing unauthorized access to the above terminals more reliably. Has an effect.

Embodiment 2. FIG.
FIG. 4 is a block diagram showing the configuration of the main part of the access authentication device for the in-vehicle information terminal according to Embodiment 2 of the present invention, and FIG. 5 is a flowchart showing an example of the operation of the access authentication device of FIG. The second embodiment of the present invention shows an example of a continuous authentication operation following the information terminal activation according to the first embodiment. In FIG. 4, the in-vehicle information terminal device 1 includes an information processing device 10 such as a license confirmation system, an information processing input device 11 for inputting a password and other access information, a display device 12 for displaying data, and an external sensor input device 13. It is configured. Output signals from the infrared sensor 14, the pressure switch 15, the door opening / closing switch 16 and the like are input to the external sensor input device 13.

  The infrared sensor 14 is provided at an appropriate position of the vehicle and is a sensor for detecting a human body such as a driver's seat, and the pressure switch 15 is provided at a lower portion of the driver's seat and detects whether or not the user is seated. In the flowchart of FIG. 5, first, it is determined whether or not the infrared sensor 14 has reacted in order to confirm whether or not a human body is present in the vehicle. This is for surely checking whether or not the authenticator is leaving the seat after the activation operation of the information terminal device 1 is performed and the authentication operation is always performed. (Step S11) If there is no reaction, authentication by a tag reader is performed (Step S12). At this time, if the authentication output is not obtained, the authentication is canceled and the display screen of the display device 12 is also deleted (step S18). On the other hand, when there is a response from the infrared sensor and when authentication by the tag reader is obtained, it is next determined whether or not there is a response from the pressure sensor 15 (step S13).

  At this time, if there is no reaction of the pressure sensor 15, authentication by the tag reader is performed again (step S14). At this time, if the authentication output is not obtained, the authentication is canceled and the display screen of the display device 12 is also deleted (step S18). On the other hand, when there is a response from the pressure sensor and when the authentication by the tag reader at step S14 is obtained, it is further determined whether or not the door opening / closing switch 16 has reacted (step S15). At this time, if the door opening / closing signal is detected, authentication by the tag reader is performed again (step S16).

  At this time, if the authentication output is not obtained, the authentication is canceled and the display screen of the display device 12 is also deleted (step S18). On the other hand, when the door opening / closing signal is not detected and when the authentication by the tag reader at the step 16 is obtained, it is determined whether or not the termination process has been performed (step S17). If the termination process has been performed, the authentication is canceled and the display screen is also deleted (step S18). On the other hand, if the termination process has not been performed, the authentication state is continued (step S19).

As described above, according to the present embodiment, the AND condition of the detection signal of the infrared sensor 14 and the tag reader detection signal, the AND condition of the detection signal of the pressure sensor 15 and the tag reader detection signal, and the door opening / closing signal and the tag reader detection signal If the AND condition is cleared, the authentication state is determined to be continued. If any AND condition is not satisfied, the authentication is immediately canceled. Accordingly, since it is not necessary to always perform the detection operation of the tag reader, the access authentication device of the in-vehicle information terminal device can be realized by a system with little energy loss.
According to the above embodiment, authentication is continued for the first time by clearing three AND conditions. However, the present invention is not necessarily limited to this, and if any one AND condition is satisfied, it is possible to immediately determine that authentication is continued. it can.

Embodiment 3 FIG.
FIG. 6 is a flowchart showing the operation of the access authentication apparatus according to Embodiment 3 of the present invention. In this embodiment, the detection operation of the tag reader is performed at regular intervals, and the detection operation of the tag reader is not performed at all times, so that the access authentication device of the in-vehicle information terminal is realized by a system with less energy loss. .
In the figure, the tag is read at regular time intervals in step S20. As a result, if the authentication by the tag reader cannot be obtained, the authentication is canceled and the display screen is deleted (step S22). If the authentication by the tag reader is obtained, the presence / absence of termination processing is determined (step S23).

If the termination process has been performed, the authentication is canceled and the display screen is also deleted (step S22). On the other hand, if the termination process has not been performed, the authentication state is continued (step S24).
According to the above embodiment, after the authentication of the information terminal is activated, the tag detection operation is not always performed, and it is only necessary to perform an authentication check by the tag reader at regular time intervals, so that energy can be used efficiently. The third embodiment can also be implemented in combination with the second embodiment described above.

Embodiment 4 FIG.
Further, in the above embodiment, the access authentication only in the driver's seat has been described. However, when the information terminal is installed in each of the other seats of the vehicle, the same access authentication device is installed for each seat. Thus, it is possible to provide appropriate information according to each individual after each individual is authenticated. In this case, the antenna installed in each seat is connected to one access authentication device, and the antennas are read by a tackleer in a time-sharing manner, so that the access authentication device is compact and diverse as a whole. Is obtained.

It is a system block diagram of the access authentication apparatus to the vehicle-mounted information terminal in Embodiment 1 of this invention. It is the schematic of the driver's seat part in the system of FIG. It is a flowchart which shows the access authentication method of the vehicle-mounted information terminal of FIG. It is a block diagram which shows the principal part structure of the access authentication apparatus of the vehicle-mounted information terminal in Embodiment 2 of this invention. FIG. 5 is a flowchart showing the operation of the access authentication apparatus of FIG. It is a flowchart which shows operation | movement of the access authentication apparatus in Embodiment 3 of this invention.

Explanation of symbols

1 onboard information terminal, 2a and 2b are tag readers,
3a, 3b antenna, 4 is an ID tag or ID card,
5 Driver qualified 6 Seat backrest,
DESCRIPTION OF SYMBOLS 10 Information processing apparatus, 11 Information processing input device 12 Display apparatus, 13 External sensor input device,
14 Infrared sensor, 15 Pressure sensor,
16 Door open / close switch.

Claims (9)

  A qualified person of the vehicle carries an ID tag or ID card in the clothes, and a tag reader is installed at an invisible position in the vehicle, and the ID tag or ID card detection information by the tag reader accompanying the seating of the qualified person and An access authentication apparatus for an in-vehicle information terminal, characterized in that activation authentication of the in-vehicle information terminal is given by simultaneous detection with authentication information of the in-vehicle information terminal.   2. The apparatus for authenticating access to an in-vehicle information terminal according to claim 1, wherein the authentication information of the in-vehicle information terminal is a password.   2. The access authentication apparatus for an in-vehicle information terminal according to claim 1, wherein communication between the ID tag or ID card and the tag reader is performed using a communication frequency in a long wave band.   2. The access authentication apparatus for an in-vehicle information terminal according to claim 1, wherein a continuous authentication operation following the activation authentication of the in-vehicle information terminal is performed by simultaneous detection of a detection signal from an infrared sensor and a detection signal from a tag reader.   The apparatus for authenticating access to an in-vehicle information terminal according to claim 1, wherein a continuous authentication operation following activation authentication of the in-vehicle information terminal is performed by simultaneous detection of a detection signal from a pressure sensor and a detection signal from a tag reader.   The apparatus for authenticating access to an in-vehicle information terminal according to claim 1, wherein a continuous authentication operation following activation authentication of the in-vehicle information terminal is performed by simultaneous detection of a door opening / closing detection signal and a detection signal by a tag reader.   The continuous authentication operation following the activation authentication of the in-vehicle information terminal includes simultaneous detection of the detection signal of the infrared sensor and the detection signal of the tag reader, simultaneous detection of the detection signal of the pressure sensor and the detection signal of the tag reader, and a detection signal of door opening / closing The access authentication apparatus for an in-vehicle information terminal according to claim 1, wherein the authentication is performed by any combination of simultaneous detection of a detection signal by a tag reader.   The above-mentioned in-vehicle information terminal is installed in each seat, a tag reader is installed in an invisible position near each seat, and each person is authenticated and appropriate information according to each individual is provided. The access authentication apparatus to the vehicle-mounted information terminal of Claim 1.   9. The access authentication to the in-vehicle information terminal according to claim 8, wherein an antenna installed in each seat is connected to one access authentication device, and each antenna is read by a tackleer in a time-sharing manner. apparatus.

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